#!/bin/bash
# Program:
#	Check $1 is equal to "hello"
# History:
# 2015/07/16	VBird	First release
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

if [ "${1}" == "hello" ]; then
	echo "Hello, how are you ?"
elif [ "${1}" == "" ]; then
	echo "You MUST input parameters, ex> {${0} someword}"
else
	echo "The only parameter is 'hello', ex> {${0} hello}"
fi
